Front-End Engineer - Calendar

Job description

A better internet, where privacy is the default, is possible. Building this better internet might seem daunting or even unthinkable, but at Proton, this is what we do every day.

Proton was founded in 2014 by a group of scientists who met at the European Organization for Nuclear Research (CERN). Our first product, Proton Mail, is now the world’s largest encrypted email service. Subsequent Proton products, such as Proton VPN, Proton Calendar, and Proton Drive, give our users full control over how and with whom their data is shared.

Today, Proton makes privacy universally accessible. Journalists from outlets like The Guardian and The New York Times, some of the world’s largest organizations, and people in more than 180 countries have signed up for over 70 million accounts. Our diverse and dynamic team is made up of more than 400 members representing over 40 different nationalities. While we are based in Geneva, Switzerland, we have offices in Zurich, Prague, London, Vilnius, Skopje, Taipei, and many more employees working remotely around the world.

Join one of Europe’s fastest-growing companies to help us solve challenging problems and build new products that will reach hundreds of millions of people. We want to create more than just one of the world’s most impactful tech companies; we want to create a new internet that serves the interests of all people. We need you, your voice, your ideas, and your ambition to make it happen.

Purpose of the role

The Proton Calendar team is building the end-to-end encrypted calendar solution of the Proton ecosystem serving millions of customers worldwide. As a software engineer, you will solve complex technical and design challenges, and implement best practices in code quality and architecture to ensure reliable and fast customer experiences. You will develop systems designed to operate at the internet scale, and partner with Product, Engineering, Security, and other team members to influence our products' future direction. You will continuously invest in developing code quality while ensuring fast feature delivery for your customers.


What you will do 

  • Work closely with a cross-functional team to design, build, test, and optimise Proton Calendar for Web
  • Develop high-quality user experiences by collaborating with UX engineers and our Core team
  • Write readable, maintainable, tested, and well-documented code
  • Ensure that acceptance criteria and all parts of the technical design are correctly incorporated
  • Follow and promote engineering best practices
  • Take part in team activities, such as sprint ceremonies, code reviews, and pair programming
  • Share your knowledge and skills with the rest of the team and the Web chapter

Job requirements

  • 4+ years of experience using JavaScript or similar language, and working on concepts such as asynchronous programming, closures, and ES6, at a minimum
  • Experience using React
  • Proven proficiency with TypeScript or another strongly typed language
  • Experience using RESTful APIs
  • Experience testing your own code using automated tests, writing unit, integration, and UI tests (e.g. using Jest, Mocha, Cypress, Playwright)
  • A product mindset and you are committed to building the best user experience
  • Ability to thrive in a dynamic, fast-paced, and highly collaborative environment


Bonus points for

  • Well-versed in security and with a good understanding of security best practices from an application development standpoint
  • Complex UI-related experience
  • Experience working in a distributed team


Why you should join Proton

  • Be part of a movement - Proton is not just a product or service but a community-driven movement united by a shared vision of online freedom. Our services are open source, audited, and supported by community contributions. We give back to our community by maintaining core encryption libraries and by supporting other organisations furthering the same goals as us.
  • Proton is free, open source, neutral, independent, and community first, while remaining financially sustainable.
  • Work with smart and dedicated people - Our team is diverse, collaborative, and tight-knit with people coming from all walks of life, including many of the world’s top academic institutions and organisations, such as MIT, Harvard, Stanford, Caltech, Cambridge, and ETH.
  • Join a strong brand - Our encrypted email service - Proton Mail - has grown to be a staple of online security and privacy. Proton has been featured in multiple popular television and film productions, such as Mr. Robot, Knives Out, Sounds of Metal, and more.
  • Grow with us - We’re one of Europe’s fastest-growing startups, doubling in size every year. Our growth gives you limitless career and educational opportunities as well as the opportunity to work side-by-side with many world-leading experts in their fields.
  • Have your voice heard - We value your opinion and encourage you to speak up and share your ideas and thoughts. At Proton, no problem is someone else’s problem. We collectively strive to do the right thing and be the undisputed best in the world at everything we do.
  • Benefits - These vary by location and type of contract but expect support on your vacation, parental leave, refreshment if working from the office, learning and development opportunities, equity for shared success, flexible working hours and remote work, company events and team building activities.

Proton uses the Recruitee recruitment platform for a more effective hiring process and a better candidate experience. Your data will always be kept confidential and is not shared with any third parties. Keep in mind that you will receive emails from the email address careers@protonmail.recruitee.com or other addresses on the protonmail.recruitee.com domain.
Proton does not accept unsolicited resumes from any sources other than directly from a candidate. Proton will not pay a fee for any placement resulting from the receipt of an unsolicited offer, even in a situation when the relevant candidate is employed by Proton.
By applying to a role at Proton, you acknowledge that we will process and store your personal data for at least the duration of the hiring process and as necessary to enter a contractual relationship with you.